Diarsia florida
Encyclopedia
The Fen Square-spot is a moth
of the Noctuidae
family. It is found from western Europe
, Denmark
, southern Norway
and southern Sweden
, east to Romania
and Siberia
. Subspecies perturbata is found in south-eastern Turkey
.
The wingspan
is about 34 mm. Adults are on wing from June to July. There is one generation per year.
The larvae feed on Athyrium
, Betula, Calluna
, Caltha
, Lamium
, Primula
, Rubus
, Rumex
, Scrophularia
, Struthiopteryx, Vaccinium
and Urtica species.
Moth
A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...
of the Noctuidae
Noctuidae
The Noctuidae or owlet moths are a family of robustly-built moths that includes more than 35,000 known species out of possibly 100,000 total, in more than 4,200 genera. They constitute the largest family in the Lepidoptera....
family. It is found from western Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...
, Denmark
Denmark
Denmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...
, southern Norway
Norway
Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...
and southern Sweden
Sweden
Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....
, east to Romania
Romania
Romania is a country located at the crossroads of Central and Southeastern Europe, on the Lower Danube, within and outside the Carpathian arch, bordering on the Black Sea...
and Siberia
Siberia
Siberia is an extensive region constituting almost all of Northern Asia. Comprising the central and eastern portion of the Russian Federation, it was part of the Soviet Union from its beginning, as its predecessor states, the Tsardom of Russia and the Russian Empire, conquered it during the 16th...
. Subspecies perturbata is found in south-eastern Turkey
Turkey
Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...
.
The wingspan
Wingspan
The wingspan of an airplane or a bird, is the distance from one wingtip to the other wingtip. For example, the Boeing 777 has a wingspan of about ; and a Wandering Albatross caught in 1965 had a wingspan of , the official record for a living bird.The term wingspan, more technically extent, is...
is about 34 mm. Adults are on wing from June to July. There is one generation per year.
The larvae feed on Athyrium
Athyrium
Athyrium is a genus of about 180 species of terrestrial ferns, with a cosmopolitan distribution.Athyrium species are used as food plants by the larvae of some Lepidoptera species including Small Angle Shades and Sthenopis auratus.-Species:There are about 180, including:-References:***...
, Betula, Calluna
Calluna
Calluna vulgaris is the sole species in the genus Calluna in the family Ericaceae. It is a low-growing perennial shrub growing to tall, or rarely to and taller, and is found widely in Europe and Asia Minor on acidic soils in open sunny situations and in moderate shade...
, Caltha
Caltha
Caltha is a genus of 10 species of rhizomatous perennial plants in the buttercup family, native to wet areas in temperate and cold regions of both the Northern and Southern Hemispheres.Leaves are generally heart- or kidney-shaped.-Species:...
, Lamium
Lamium
Lamium is a genus of about 40-50 species of flowering plants in the family Lamiaceae, of which family it is the type genus...
, Primula
Primula
Primula is a genus of 400–500 species of low-growing herbs in the family Primulaceae. They include primrose, auricula, cowslip and oxlip. Many species are grown for their ornamental flowers...
, Rubus
Rubus
Rubus is a large genus of flowering plants in the rose family, Rosaceae, subfamily Rosoideae. Raspberries, blackberries, and dewberries are common, widely distributed members of the genus. Most of these plants have woody stems with prickles like roses; spines, bristles, and gland-tipped hairs are...
, Rumex
Rumex
The docks and sorrels, genus Rumex L., are a genus of about 200 species of annual, biennial and perennial herbs in the buckwheat family Polygonaceae....
, Scrophularia
Scrophularia
The genus Scrophularia of the family Scrophulariaceae comprises about 200 species of herbaceous flowering plants commonly known as figworts. Species of Scrophularia all share square stems, opposite leaves and open two-lipped flowers forming clusters at the end of their stems...
, Struthiopteryx, Vaccinium
Vaccinium
Vaccinium is a genus of shrubs or dwarf shrubs in the plant Family Ericaceae. The fruit of many species are eaten by humans and some are of commercial importance, including the cranberry, blueberry, bilberry or whortleberry, lingonberry or cowberry, and huckleberry...
and Urtica species.